Mix ground ham, orange soda, Rice Krispies and mustard together.,Form into 2-inch balls.,______,Bake ham balls for 1/2 hour in a 350° oven. Pour off grease.,(Can be put in microwave oven for 15 minutes and then drained.),After pouring off grease, add the pineapple and juice mixture.,Bake for 1 1/2 to 2 hours at 325°.